EP1453195A3 - AGC circuit - Google Patents
AGC circuit Download PDFInfo
- Publication number
- EP1453195A3 EP1453195A3 EP04004359A EP04004359A EP1453195A3 EP 1453195 A3 EP1453195 A3 EP 1453195A3 EP 04004359 A EP04004359 A EP 04004359A EP 04004359 A EP04004359 A EP 04004359A EP 1453195 A3 EP1453195 A3 EP 1453195A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- level
- reference voltage
- frequency signal
- binary data
- equal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/341—Muting when no signals or only weak signals are present
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003050377A JP2004260653A (ja) | 2003-02-27 | 2003-02-27 | Agc回路 |
JP2003050377 | 2003-02-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1453195A2 EP1453195A2 (en) | 2004-09-01 |
EP1453195A3 true EP1453195A3 (en) | 2007-11-07 |
Family
ID=32767785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04004359A Withdrawn EP1453195A3 (en) | 2003-02-27 | 2004-02-26 | AGC circuit |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1453195A3 (ja) |
JP (1) | JP2004260653A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5408546B2 (ja) * | 2009-12-25 | 2014-02-05 | 株式会社Jvcケンウッド | 音量制限装置及び集音器 |
JP6497962B2 (ja) * | 2015-02-18 | 2019-04-10 | 日本アンテナ株式会社 | 自動利得制御回路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2164846A1 (de) * | 1971-12-27 | 1973-07-05 | Licentia Gmbh | Schwundregelschaltung |
JPH08236849A (ja) * | 1995-02-28 | 1996-09-13 | Ando Electric Co Ltd | Ld光出力制御回路 |
EP1018803A2 (en) * | 1999-01-08 | 2000-07-12 | Matsushita Electric Industrial Co., Ltd. | Automatic gain control method and device |
-
2003
- 2003-02-27 JP JP2003050377A patent/JP2004260653A/ja not_active Withdrawn
-
2004
- 2004-02-26 EP EP04004359A patent/EP1453195A3/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2164846A1 (de) * | 1971-12-27 | 1973-07-05 | Licentia Gmbh | Schwundregelschaltung |
JPH08236849A (ja) * | 1995-02-28 | 1996-09-13 | Ando Electric Co Ltd | Ld光出力制御回路 |
EP1018803A2 (en) * | 1999-01-08 | 2000-07-12 | Matsushita Electric Industrial Co., Ltd. | Automatic gain control method and device |
Also Published As
Publication number | Publication date |
---|---|
EP1453195A2 (en) | 2004-09-01 |
JP2004260653A (ja) | 2004-09-16 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AX | Request for extension of the european patent |
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PUAL | Search report despatched |
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17P | Request for examination filed |
Effective date: 20080114 |
|
AKX | Designation fees paid |
Designated state(s): DE FR GB |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20090821 |